1.2.1. Cadence
Cadence . :
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Cadence , , . Cadence :
Command Interpreter Window (CIW) - . . .
Library manager - , , ( ).
Design Window - . Design Window .
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Cadence (pull-down menu), .. . , .
. , , .
. , , , .
Cadence . Reference , , , .
1.2.2.
, (. 1.1).
. 1.1.
- , . - /1/. (schematic) /2/, (layout) /3/ .
1.2.3.
- . , 3 , 500 . 1 . symbol, ( )
, , , . Cadence .
1.2.4.
(. ), , Cadence , . . .
:
, , ;
Design Rules ( ) - ;
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Display - ;
: , .
Design Kit.
1.2.5. skill
Cadence skill /4, 5/. C . Cadence.
1.2.6.
:
1. .
2. .
3. .
4. .
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File → New → Library CIW (Command Interpreter Window) Library Manager. Attach to an existing techfile. (. .1.2).
. 1.2.
. Cadence Composer Schematic /1/. : , , , , ..
(. . 1.3).
. 1.3.
Cadence Composer Schematic . 1.4.
. 1.4. Cadence Composer Schematic
1. nmos pmos Add → Instance...
2. browse ( library, cell, view). File Manager. library, cell, view .
3. Add Instance Hide.
4. Schematic Editor . , Esc. .
5. () Add → Pin
6. Pin Names Direction Hide
7. . .
8. Add → Wire (narrow) . , . , . , . , . , . . .
. , , . . .
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; (q)
Library Name, Cell Name, View Name , .
Instance Name
Total Width
Width per finger ()
Length
Number of fingers
Multiplier
Name
Direction ( )
, Apply to
Stretch m , ;
Copy c ;
Move M , ;
Rotate j , ;
. :
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F3
:
Snap mode - ;
Rotate - 90 ;
Sideways - ;
Upside Down - .
Copy :
Array - ;
Rows - ;
Columns - .
, .
. Composer Schematic Design → Create Cellview → From Cellview symbol . (. . 1.5).
. 1.5.
- ( ). , /, .. : , , / , .
Spectre.
1. Composer Schematic: Tools → Analog Environment (. . 1.6).
)
. 1.6. ) Analog Environment (ADE);
) ADE
)
. 1.6. ) Analog Environment (ADE);
) ADE ()
2. ADE: Setup → Simulator/Directory/Host spectre (. . 1.7).
. 1.7.
ADE . , tran ( Analyses → Choose) , ( Variables → Edit), ( Outputs → To be Plotted → Select on Schematic) (. . 1.8, 1.6, ):
. 1.8.
Setup → Model Libraries (. . 1.9).
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. 1.9.
3. Simulation → Netlist and Run. /6/ (. . 1.10).
. 1.10.
1. Cadence?
2. Cadence ?
3. ?
4. ? ?
5. , ?
1. , (. 1).
:
1. ( studentX, )
2. ( , 4NAND 4 -)
3. .
4. .
2.
. schematic_mod.
3.
27 º, . 50 . ( 0,1 0,9 ), ( 0,5 ). Vpulse. .
| , | , | |||
| 0→1 | 1→0 | 0→1 | 1→0 | |
1. .
2. ADE? ? ADE?
3. : M0 is an instance of an undefined model nmos4?
4. .
